Solar stair light



FIG. 1 is a front perspective view of a solar stair light, showing my new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines in the figures are for the purposes of illustrating portions of the solar stair light, which form no part of the claimed design. 

CLAIM The ornamental design for a solar stair light, as shown and described. 